028  
CDUS43 KLOT 042233  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CST MON DEC 04 2023  
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR DECEMBER 4 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1905 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 38 2:44 PM 65 1998 38 0 39  
MINIMUM 33 6:39 AM -4 1991 24 9 14  
AVERAGE 36 31 5 27  
 
PRECIPITATION (IN)  
TODAY T 1.29 1973 0.07 -0.07 0.00  
MONTH TO DATE 0.78 0.29 0.49 T  
SINCE DEC 1 0.78 0.29 0.49 T  
SINCE JAN 1 30.11 35.60 -5.49 36.91  
 
SNOWFALL (IN)  
TODAY T 5.7 2010 0.2 -0.2 0.0  
MONTH TO DATE 0.2 1.0 -0.8 0.0  
SINCE DEC 1 0.2 1.0 -0.8 0.0  
SINCE JUL 1 1.7 3.5 -1.8 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 34 -5 38  
MONTH TO DATE 115 134 -19 134  
SINCE DEC 1 115 134 -19 134  
SINCE JUL 1 1332 1450 -118 1410  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 805 839 -34 978    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 67 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 67 2001  
MINIMUM TEMPERATURE (F) 23 -5 2005  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 7:08 AM CST SUNSET 4:25 PM CST  
DECEMBER 5 2023......SUNRISE 7:09 AM CST SUNSET 4:24 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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